Add af3 control center testmodel

Signed-off-by: Stefan <stefan.duenhuber@gmail.com>

org.fortiss.af3.platform.raspberry/src/org/fortiss/af3/platform/raspberry/generator/extension/controlcenter/ControlCenterDownstreamInputGeneratorExtension.java

@@ -35,8 +35,6 @@ public class ControlCenterDownstreamInputGeneratorExtension extends
 	@Override
 	public String getReadCode(String postfix, String singletonPostfix, InputPort logicalSignal,
 			String targetVariable) {
-		// TODO Auto-generated method stub
-		// return targetVariable + " = gamepad_get_button_state(" + getButtonIdentifier() + ");\n";
 
 		String portInputName = modelElement.getName();
 		// get the value depending on the logical signal data type